.hr{height: 0; border-bottom: 1px solid #e6e6e6; margin: 10px 0;}

.trade-box{border: 1px solid #e800f0; padding: 15px;}
.step-title{height: 30px; line-height: 30px;}
.step-title h3{display: inline-block;}
.extra-operator{height: 28px; line-height: 28px; display: inline-block;}
.step-content{padding-left: 20px; padding-right: 20px;}

.address-item{height: 26px; width: 150px; border: 2px solid #FF0000; text-align: center; line-height: 26px;}
.address-detail{display: inline-block; height: 30px; line-height: 30px; margin-left: 30px;}

.payment-item{height: 26px; width: 100px; border: 2px solid #FF0000; text-align: center; line-height: 26px; display: inline-block; margin-right: 5px;}

.delivery-info{width: 300px; height: 300px; background-color: #FF00ff;}
.inventory{width: 550px; height: 500px;background-color: #ffff00;}